Flora of North America species comparison

1(2), erect, leafless proximally, leafy distally, glabrous or puberulent, from subligneous rhizome.

basal, 1–5, prostrate to ascending;

stipules linear-lanceolate, margins entire to sparsely laciniate, apex acute;

petiole 3–10 cm, strigose, sericeous, or villous, occasionally glabrous;

blade unlobed, reniform or ovate to broadly ovate or orbiculate, 1.5–3.5 × 2–5 cm, base cordate to broadly cordate, margins serrate-crenate, ciliate or eciliate, apex acute, obtuse, or rounded, occasionally acuminate, surfaces usually sparsely to densely strigose, sericeous, or villous throughout or along veins, sometimes glabrous.

basal and cauline;

basal: 0(–2);

stipules ovate, not leaflike, margins entire, apex acute to acuminate, surfaces glabrous or puberulent;

petiole 9–11.5 cm, glabrous or puberulent;

blade unlobed, ovate, or 3–5-lobed, 4–5 × 1–5 cm, base cordate, margins entire or crenate-serrate, ciliate or eciliate, apex acute, surfaces glabrous or ± puberulent;

cauline similar to basal except: restricted to distal ends of stems;

stipules ovate to oblong;

petiole 0.7–7.2 cm, glabrous or puberulent;

blade unlobed, ovate or deltate, or 3-lobed (if 3-lobed, lateral lobes falcate, middle rhombic, longer than others, lobes may appear petiolate; unlobed and 3-lobed leaves can occur on same plant), 1–6 × 0.5–5.5 cm, base truncate to cuneate, margins serrate, ciliate or eciliate, surfaces glabrous or pubescent.

3–8 cm, puberulent.

1.5–4 cm, glabrous or pubescent.

sepals lanceolate to ovate, margins usually eciliate, auricles 1–2 mm;

petals white on both surfaces, lower 3 purple-veined, all beardless or lower 3 sparsely bearded, lowest 8–10 mm, spur white, gibbous, 2–3 mm;

style head beardless; cleistogamous flowers on prostrate to ascending peduncles.

sepals lanceolate to ovate, margins ciliate or eciliate, auricles 0.1–0.5 mm;

petals lemon-yellow adaxially, upper 2, rarely others, brownish purple abaxially, lowest and usually lateral 2 brownish purple-veined, lateral 2 and sometimes lowest bearded, lowest 10–18 mm, spur yellow, gibbous, 0.5–2 mm;

style head bearded; cleistogamous flowers axillary.

ovoid to ellipsoid, 5–8 mm, glabrous.

ovoid to ellipsoid, 9–12 mm, glabrous.

mottled beige to bronze, 1.5–2.2 mm.

beige, bronze, or brown, 2.4–3 mm.

= 24.

= 12.